/**
 *@Project:SocialTag
 *@Package:data
 *@Name:Distance.java
 *@Author:yexijiang
 *@Date:Jul 6, 2008
 *@Decription:
 */
package data;

import java.util.Vector;

/**
 */
public abstract class Distance 
{
	public abstract double distance(Vector<Double> v1, Vector<Double> v2);
}
